joystick_linuxinput.c 31.1 KB
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/*		DirectInput Joystick device
 *
 * Copyright 1998,2000 Marcus Meissner
 * Copyright 1998,1999 Lionel Ulmer
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 * Copyright 2000-2001 TransGaming Technologies Inc.
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 *
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 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */

#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
#include <string.h>
#include <time.h>
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#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
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#include <sys/fcntl.h>
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#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
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#include <errno.h>
#ifdef HAVE_SYS_ERRNO_H
# include <sys/errno.h>
#endif
#ifdef HAVE_LINUX_INPUT_H
# include <linux/input.h>
#endif

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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "windef.h"
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#include "winbase.h"
#include "winerror.h"
#include "dinput.h"

#include "dinput_private.h"
#include "device_private.h"

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WINE_DEFAULT_DEBUG_CHANNEL(dinput);
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#ifdef HAVE_CORRECT_LINUXINPUT_H

#define EVDEVPREFIX	"/dev/input/event"

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/* Wine joystick driver object instances */
#define WINE_JOYSTICK_AXIS_BASE   0
#define WINE_JOYSTICK_BUTTON_BASE 8

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typedef struct JoystickImpl JoystickImpl;
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static IDirectInputDevice8AVtbl JoystickAvt;
static IDirectInputDevice8WVtbl JoystickWvt;
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struct JoystickImpl
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{
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        LPVOID                          lpVtbl;
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        DWORD                           ref;
        GUID                            guid;
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	/* The 'parent' DInput */
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	IDirectInputImpl               *dinput;
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	/* joystick private */
	/* what range and deadzone the game wants */
	LONG				wantmin[ABS_MAX];
	LONG				wantmax[ABS_MAX];
	LONG				deadz[ABS_MAX];

	/* autodetecting ranges per axe by following movement */
	LONG				havemax[ABS_MAX];
	LONG				havemin[ABS_MAX];

	int				joyfd;

	LPDIDATAFORMAT			df;
        HANDLE				hEvent;
        LPDIDEVICEOBJECTDATA 		data_queue;
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        int				queue_head, queue_tail, queue_len;
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	BOOL				overflow;
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	DIJOYSTATE2			js;
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	/* data returned by the EVIOCGABS() ioctl */
	int				axes[ABS_MAX+1][5];

#define AXE_ABS		0
#define AXE_ABSMIN	1
#define AXE_ABSMAX	2
#define AXE_ABSFUZZ	3
#define AXE_ABSFLAT	4

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	/* data returned by EVIOCGBIT for EV_ABS and EV_KEY */
	BYTE				absbits[(ABS_MAX+7)/8];
	BYTE				keybits[(KEY_MAX+7)/8];
};

/* This GUID is slightly different from the linux joystick one. Take note. */
static GUID DInput_Wine_Joystick_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
  0x9e573eda,
  0x7734,
  0x11d2,
  {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
};

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static void fake_current_js_state(JoystickImpl *ji);

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#define test_bit(arr,bit) (((BYTE*)arr)[bit>>3]&(1<<(bit&7)))

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static int joydev_have(void)
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{
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  int i, fd;
  int havejoy = 0;
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  for (i=0;i<64;i++) {
      char	buf[200];
      BYTE	absbits[(ABS_MAX+7)/8],keybits[(KEY_MAX+7)/8];

      sprintf(buf,EVDEVPREFIX"%d",i);
      if (-1!=(fd=open(buf,O_RDONLY))) {
	  if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(absbits)),absbits)) {
	      perror("EVIOCGBIT EV_ABS");
	      close(fd);
	      continue;
	  }
	  if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(keybits)),keybits)) {
	      perror("EVIOCGBIT EV_KEY");
	      close(fd);
	      continue;
	  }
	  /* A true joystick has at least axis X and Y, and at least 1
	   * button. copied from linux/drivers/input/joydev.c */
	  if (test_bit(absbits,ABS_X) && test_bit(absbits,ABS_Y) &&
	      (   test_bit(keybits,BTN_TRIGGER)	||
		  test_bit(keybits,BTN_A) 	||
		  test_bit(keybits,BTN_1)
	      )
	  ) {
	      FIXME("found a joystick at %s!\n",buf);
	      havejoy = 1;
	  }
	  close(fd);
      }
      if (havejoy || (errno==ENODEV))
	  break;
  }
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  return havejoy;
}

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static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, int version, int id)
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{
  int havejoy = 0;

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  if (id != 0)
      return FALSE;

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  if (!((dwDevType == 0) ||
        ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 8)) ||
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        (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 8))))
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    return FALSE;
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  if (dwFlags & DIEDFL_FORCEFEEDBACK)
    return FALSE;

  havejoy = joydev_have();
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  if (!havejoy)
      return FALSE;

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  TRACE("Enumerating the linuxinput Joystick device\n");
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  /* Return joystick */
  lpddi->guidInstance	= GUID_Joystick;
  lpddi->guidProduct	= DInput_Wine_Joystick_GUID;

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  lpddi->guidFFDriver = GUID_NULL;
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  if (version >= 8)
    lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
  else
    lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
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  strcpy(lpddi->tszInstanceName, "Joystick");
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  /* ioctl JSIOCGNAME(len) */
  strcpy(lpddi->tszProductName,	"Wine Joystick");
  return TRUE;
}

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static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, int version, int id)
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{
  int havejoy = 0;

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  if (id != 0)
      return FALSE;

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  if (!((dwDevType == 0) ||
        ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 8)) ||
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        (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 8))))
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    return FALSE;
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  if (dwFlags & DIEDFL_FORCEFEEDBACK)
    return FALSE;

  havejoy = joydev_have();

  if (!havejoy)
      return FALSE;

  TRACE("Enumerating the linuxinput Joystick device\n");

  /* Return joystick */
  lpddi->guidInstance	= GUID_Joystick;
  lpddi->guidProduct	= DInput_Wine_Joystick_GUID;

  lpddi->guidFFDriver = GUID_NULL;
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  if (version >= 8)
    lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
  else
    lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
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  MultiByteToWideChar(CP_ACP, 0, "Joystick", -1, lpddi->tszInstanceName, MAX_PATH);
  /* ioctl JSIOCGNAME(len) */
  MultiByteToWideChar(CP_ACP, 0, "Wine Joystick", -1, lpddi->tszProductName, MAX_PATH);
  return TRUE;
}

static JoystickImpl *alloc_device(REFGUID rguid, LPVOID jvt, IDirectInputImpl *dinput)
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{
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  JoystickImpl* newDevice;
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  int i;
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  newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
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  newDevice->lpVtbl = jvt;
  newDevice->ref = 1;
  newDevice->joyfd = -1;
  newDevice->dinput = dinput;
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  memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
  for (i=0;i<ABS_MAX;i++) {
    newDevice->wantmin[i] = -32768;
    newDevice->wantmax[i] =  32767;
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    /* TODO: 
     * direct input defines a default for the deadzone somewhere; but as long
     * as in map_axis the code for the dead zone is commented out its no
     * problem
     */
    newDevice->deadz[i]   =  0;
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  }
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  fake_current_js_state(newDevice);
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  return newDevice;
}

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static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
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{
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  int havejoy = 0;
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  havejoy = joydev_have();
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  if (!havejoy)
      return DIERR_DEVICENOTREG;

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  if ((IsEqualGUID(&GUID_Joystick,rguid)) ||
      (IsEqualGUID(&DInput_Wine_Joystick_GUID,rguid))) {
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    if ((riid == NULL) ||
	IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
	IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
	IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
	IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
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      *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput);
      TRACE("Creating a Joystick device (%p)\n", *pdev);
      return DI_OK;
    } else
      return DIERR_NOINTERFACE;
  }

  return DIERR_DEVICENOTREG;
}


static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
{
  int havejoy = 0;

  havejoy = joydev_have();

  if (!havejoy)
      return DIERR_DEVICENOTREG;

  if ((IsEqualGUID(&GUID_Joystick,rguid)) ||
      (IsEqualGUID(&DInput_Wine_Joystick_GUID,rguid))) {
    if ((riid == NULL) ||
	IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
	IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
	IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
	IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
      *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput);
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      TRACE("Creating a Joystick device (%p)\n", *pdev);
      return DI_OK;
    } else
      return DIERR_NOINTERFACE;
  }

  return DIERR_DEVICENOTREG;
}

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const struct dinput_device joystick_linuxinput_device = {
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  "Wine Linux-input joystick driver",
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  joydev_enum_deviceA,
  joydev_enum_deviceW,
  joydev_create_deviceA,
  joydev_create_deviceW
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};

/******************************************************************************
 *	Joystick
 */
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static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
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{
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	JoystickImpl *This = (JoystickImpl *)iface;
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	ULONG ref;
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	ref = InterlockedDecrement(&(This->ref));
	if (ref)
		return ref;
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	/* Free the data queue */
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	HeapFree(GetProcessHeap(),0,This->data_queue);
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	/* Free the DataFormat */
	HeapFree(GetProcessHeap(), 0, This->df);
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	HeapFree(GetProcessHeap(),0,This);
	return 0;
}

/******************************************************************************
  *   SetDataFormat : the application can choose the format of the data
  *   the device driver sends back with GetDeviceState.
  */
static HRESULT WINAPI JoystickAImpl_SetDataFormat(
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	LPDIRECTINPUTDEVICE8A iface,LPCDIDATAFORMAT df
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)
{
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  JoystickImpl *This = (JoystickImpl *)iface;
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  TRACE("(this=%p,%p)\n",This,df);

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  _dump_DIDATAFORMAT(df);
  
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  /* Store the new data format */
  This->df = HeapAlloc(GetProcessHeap(),0,df->dwSize);
  memcpy(This->df, df, df->dwSize);
  This->df->rgodf = HeapAlloc(GetProcessHeap(),0,df->dwNumObjs*df->dwObjSize);
  memcpy(This->df->rgodf,df->rgodf,df->dwNumObjs*df->dwObjSize);
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  return 0;
}

/******************************************************************************
  *     Acquire : gets exclusive control of the joystick
  */
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static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
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{
    int		i;
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    JoystickImpl *This = (JoystickImpl *)iface;
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    char	buf[200];
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    TRACE("(this=%p)\n",This);
    if (This->joyfd!=-1)
    	return 0;
    for (i=0;i<64;i++) {
      sprintf(buf,EVDEVPREFIX"%d",i);
      if (-1==(This->joyfd=open(buf,O_RDONLY))) {
	if (errno==ENODEV)
	  return DIERR_NOTFOUND;
	perror(buf);
	continue;
      }
      if ((-1!=ioctl(This->joyfd,EVIOCGBIT(EV_ABS,sizeof(This->absbits)),This->absbits)) &&
          (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_KEY,sizeof(This->keybits)),This->keybits)) &&
          (test_bit(This->absbits,ABS_X) && test_bit(This->absbits,ABS_Y) &&
	   (test_bit(This->keybits,BTN_TRIGGER)||
	    test_bit(This->keybits,BTN_A)	 ||
	    test_bit(This->keybits,BTN_1)
	  )
	 )
      )
	break;
      close(This->joyfd);
      This->joyfd = -1;
    }
    if (This->joyfd==-1)
    	return DIERR_NOTFOUND;

    for (i=0;i<ABS_MAX;i++) {
	if (test_bit(This->absbits,i)) {
	  if (-1==ioctl(This->joyfd,EVIOCGABS(i),&(This->axes[i])))
	    continue;
	  FIXME("axe %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
	      i,
	      This->axes[i][AXE_ABS],
	      This->axes[i][AXE_ABSMIN],
	      This->axes[i][AXE_ABSMAX],
	      This->axes[i][AXE_ABSFUZZ],
	      This->axes[i][AXE_ABSFLAT]
	  );
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	  This->havemin[i] = This->axes[i][AXE_ABSMIN];
	  This->havemax[i] = This->axes[i][AXE_ABSMAX];
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	}
    }
    MESSAGE("\n");

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	fake_current_js_state(This);

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    return 0;
}

/******************************************************************************
  *     Unacquire : frees the joystick
  */
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static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
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{
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    JoystickImpl *This = (JoystickImpl *)iface;
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    TRACE("(this=%p)\n",This);
    if (This->joyfd!=-1) {
  	close(This->joyfd);
	This->joyfd = -1;
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	return DI_OK;
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    }
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    else 
    	return DI_NOEFFECT;
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}

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/*
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 * This maps the read value (from the input event) to a value in the
 * 'wanted' range. It also autodetects the possible range of the axe and
 * adapts values accordingly.
 */
static int
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map_axis(JoystickImpl* This, int axis, int val) {
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    int	xmin = This->axes[axis][AXE_ABSMIN];
    int	xmax = This->axes[axis][AXE_ABSMAX];
    int hmax = This->havemax[axis];
    int hmin = This->havemin[axis];
    int	wmin = This->wantmin[axis];
    int	wmax = This->wantmax[axis];
    int ret;

    if (val > hmax) This->havemax[axis] = hmax = val;
    if (val < hmin) This->havemin[axis] = hmin = val;

    if (xmin == xmax) return val;

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    /* map the value from the hmin-hmax range into the wmin-wmax range */
    ret = (val * (wmax-wmin)) / (hmax-hmin) + wmin;
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#if 0
    /* deadzone doesn't work comfortably enough right now. needs more testing*/
    if ((ret > -deadz/2 ) && (ret < deadz/2)) {
        FIXME("%d in deadzone, return mid.\n",val);
	return (wmax-wmin)/2+wmin;
    }
#endif
    return ret;
}

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/* 
 * set the current state of the js device as it would be with the middle
 * values on the axes
 */
static void fake_current_js_state(JoystickImpl *ji)
{
	ji->js.lX  = map_axis(ji, ABS_X,  ji->axes[ABS_X ][AXE_ABS]);
	ji->js.lY  = map_axis(ji, ABS_Y,  ji->axes[ABS_Y ][AXE_ABS]);
	ji->js.lZ  = map_axis(ji, ABS_Z,  ji->axes[ABS_Z ][AXE_ABS]);
	ji->js.lRx = map_axis(ji, ABS_RX, ji->axes[ABS_RX][AXE_ABS]);
	ji->js.lRy = map_axis(ji, ABS_RY, ji->axes[ABS_RY][AXE_ABS]);
	ji->js.lRz = map_axis(ji, ABS_RZ, ji->axes[ABS_RZ][AXE_ABS]);
}

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static void joy_polldev(JoystickImpl *This) {
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    struct timeval tv;
    fd_set	readfds;
    struct	input_event ie;

    if (This->joyfd==-1)
	return;

    while (1) {
	memset(&tv,0,sizeof(tv));
	FD_ZERO(&readfds);
	FD_SET(This->joyfd,&readfds);

	if (1>select(This->joyfd+1,&readfds,NULL,NULL,&tv))
	    return;

	/* we have one event, so we can read */
	if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
	    return;

	TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
	switch (ie.type) {
	case EV_KEY:	/* button */
	    switch (ie.code) {
	    case BTN_TRIGGER:	/* normal flight stick */
	    case BTN_A:		/* gamepad */
	    case BTN_1:		/* generic */
		This->js.rgbButtons[0] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(0),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_THUMB:
	    case BTN_B:
	    case BTN_2:
		This->js.rgbButtons[1] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(1),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_THUMB2:
	    case BTN_C:
	    case BTN_3:
		This->js.rgbButtons[2] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(2),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
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	    case BTN_TOP:
	    case BTN_X:
	    case BTN_4:
		This->js.rgbButtons[3] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(3),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_TOP2:
	    case BTN_Y:
	    case BTN_5:
		This->js.rgbButtons[4] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(4),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_PINKIE:
	    case BTN_Z:
	    case BTN_6:
		This->js.rgbButtons[5] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(5),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_BASE:
	    case BTN_TL:
	    case BTN_7:
		This->js.rgbButtons[6] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(6),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_BASE2:
	    case BTN_TR:
	    case BTN_8:
		This->js.rgbButtons[7] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(7),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_BASE3:
	    case BTN_TL2:
	    case BTN_9:
		This->js.rgbButtons[8] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(8),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_BASE4:
	    case BTN_TR2:
		This->js.rgbButtons[9] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(9),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
	    case BTN_BASE5:
	    case BTN_SELECT:
		This->js.rgbButtons[10] = ie.value?0x80:0x00;
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		GEN_EVENT(DIJOFS_BUTTON(10),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
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		break;
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	    default:
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		FIXME("unhandled joystick button %x, value %d\n",ie.code,ie.value);
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		break;
	    }
	    break;
	case EV_ABS:
	    switch (ie.code) {
	    case ABS_X:
593 594
		This->js.lX = map_axis(This,ABS_X,ie.value);
		GEN_EVENT(DIJOFS_X,This->js.lX,ie.time.tv_usec,(This->dinput->evsequence)++);
595 596
		break;
	    case ABS_Y:
597 598
		This->js.lY = map_axis(This,ABS_Y,ie.value);
		GEN_EVENT(DIJOFS_Y,This->js.lY,ie.time.tv_usec,(This->dinput->evsequence)++);
599
		break;
600
	    case ABS_Z:
601 602
		This->js.lZ = map_axis(This,ABS_Z,ie.value);
		GEN_EVENT(DIJOFS_Z,This->js.lZ,ie.time.tv_usec,(This->dinput->evsequence)++);
603
		break;
604
	    case ABS_RX:
605 606
		This->js.lRx = map_axis(This,ABS_RX,ie.value);
		GEN_EVENT(DIJOFS_RX,This->js.lRx,ie.time.tv_usec,(This->dinput->evsequence)++);
607 608
		break;
	    case ABS_RY:
609 610
		This->js.lRy = map_axis(This,ABS_RY,ie.value);
		GEN_EVENT(DIJOFS_RY,This->js.lRy,ie.time.tv_usec,(This->dinput->evsequence)++);
611 612
		break;
	    case ABS_RZ:
613 614
		This->js.lRz = map_axis(This,ABS_RZ,ie.value);
		GEN_EVENT(DIJOFS_RZ,This->js.lRz,ie.time.tv_usec,(This->dinput->evsequence)++);
615
		break;
616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
	    default:
		FIXME("unhandled joystick axe event (code %d, value %d)\n",ie.code,ie.value);
		break;
	    }
	    break;
	default:
	    FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
	    break;
	}
    }
}

/******************************************************************************
  *     GetDeviceState : returns the "state" of the joystick.
  *
  */
static HRESULT WINAPI JoystickAImpl_GetDeviceState(
633
	LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
634
) {
635
    JoystickImpl *This = (JoystickImpl *)iface;
636

637 638 639
    joy_polldev(This);

    TRACE("(this=%p,0x%08lx,%p)\n",This,len,ptr);
640 641 642
    if ((len != sizeof(DIJOYSTATE)) && (len != sizeof(DIJOYSTATE2))) {
    	FIXME("len %ld is not sizeof(DIJOYSTATE) or DIJOYSTATE2, unsupported format.\n",len);
	return E_FAIL;
643 644
    }
    memcpy(ptr,&(This->js),len);
645 646
    This->queue_head = 0;
    This->queue_tail = 0;
647 648 649 650 651 652
    return 0;
}

/******************************************************************************
  *     GetDeviceData : gets buffered input data.
  */
653
static HRESULT WINAPI JoystickAImpl_GetDeviceData(LPDIRECTINPUTDEVICE8A iface,
654 655 656 657 658
					      DWORD dodsize,
					      LPDIDEVICEOBJECTDATA dod,
					      LPDWORD entries,
					      DWORD flags
) {
659
  JoystickImpl *This = (JoystickImpl *)iface;
660

661 662 663 664 665 666 667 668 669 670 671 672 673 674 675
  FIXME("(%p)->(dods=%ld,entries=%ld,fl=0x%08lx),STUB!\n",This,dodsize,*entries,flags);

  joy_polldev(This);
  if (flags & DIGDD_PEEK)
    FIXME("DIGDD_PEEK\n");

  if (dod == NULL) {
  } else {
  }
  return 0;
}

/******************************************************************************
  *     SetProperty : change input device properties
  */
676
static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
677 678 679
					    REFGUID rguid,
					    LPCDIPROPHEADER ph)
{
680
  JoystickImpl *This = (JoystickImpl *)iface;
681 682 683

  FIXME("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
  FIXME("ph.dwSize = %ld, ph.dwHeaderSize =%ld, ph.dwObj = %ld, ph.dwHow= %ld\n",ph->dwSize, ph->dwHeaderSize,ph->dwObj,ph->dwHow);
684

685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723
  if (!HIWORD(rguid)) {
    switch ((DWORD)rguid) {
    case (DWORD) DIPROP_BUFFERSIZE: {
      LPCDIPROPDWORD	pd = (LPCDIPROPDWORD)ph;

      FIXME("buffersize = %ld\n",pd->dwData);
      break;
    }
    case (DWORD)DIPROP_RANGE: {
      LPCDIPROPRANGE	pr = (LPCDIPROPRANGE)ph;

      FIXME("proprange(%ld,%ld)\n",pr->lMin,pr->lMax);
      switch (ph->dwObj) {
      case 0:	/* X */
      case 4:	/* Y */
      case 8:	/* Z */
      case 12:  /* Rx */
      case 16:  /* Ry */
      case 20:  /* Rz */
	  This->wantmin[ph->dwObj/4] = pr->lMin;
	  This->wantmax[ph->dwObj/4] = pr->lMax;
	  break;
      default:
	  FIXME("setting proprange %ld - %ld for dwObj %ld\n",pr->lMin,pr->lMax,ph->dwObj);
      }
      break;
    }
    case (DWORD)DIPROP_DEADZONE: {
      LPCDIPROPDWORD	pd = (LPCDIPROPDWORD)ph;

      FIXME("setting deadzone(%ld)\n",pd->dwData);
      This->deadz[ph->dwObj/4] = pd->dwData;
      break;
    }
    default:
      FIXME("Unknown type %ld (%s)\n",(DWORD)rguid,debugstr_guid(rguid));
      break;
    }
  }
724
  fake_current_js_state(This);
725 726 727 728 729 730 731
  return 0;
}

/******************************************************************************
  *     SetEventNotification : specifies event to be sent on state change
  */
static HRESULT WINAPI JoystickAImpl_SetEventNotification(
732
	LPDIRECTINPUTDEVICE8A iface, HANDLE hnd
733
) {
734
    JoystickImpl *This = (JoystickImpl *)iface;
735 736 737 738 739 740 741

    TRACE("(this=%p,0x%08lx)\n",This,(DWORD)hnd);
    This->hEvent = hnd;
    return DI_OK;
}

static HRESULT WINAPI JoystickAImpl_GetCapabilities(
742
	LPDIRECTINPUTDEVICE8A iface,
743 744
	LPDIDEVCAPS lpDIDevCaps)
{
745
    JoystickImpl *This = (JoystickImpl *)iface;
746 747 748 749 750 751 752 753 754 755 756 757
    int		xfd = This->joyfd;
    int		i,axes,buttons;
    int		wasacquired = 1;

    TRACE("%p->(%p)\n",iface,lpDIDevCaps);
    if (xfd==-1) {
	/* yes, games assume we return something, even if unacquired */
	JoystickAImpl_Acquire(iface);
	xfd = This->joyfd;
	wasacquired = 0;
    }
    lpDIDevCaps->dwFlags	= DIDC_ATTACHED;
758 759 760 761
    if (This->dinput->version >= 8)
        lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
    else
        lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
762 763 764 765 766 767 768 769 770 771 772 773 774 775 776

    axes=0;
    for (i=0;i<ABS_MAX;i++) if (test_bit(This->absbits,i)) axes++;
    buttons=0;
    for (i=0;i<KEY_MAX;i++) if (test_bit(This->keybits,i)) buttons++;

    lpDIDevCaps->dwAxes = axes;
    lpDIDevCaps->dwButtons = buttons;

    if (!wasacquired)
	JoystickAImpl_Unacquire(iface);

    return DI_OK;
}

777
static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
778
    JoystickImpl *This = (JoystickImpl *)iface;
779 780 781 782 783 784 785 786 787 788
    TRACE("(),stub!\n");

    joy_polldev(This);
    return DI_OK;
}

/******************************************************************************
  *     EnumObjects : enumerate the different buttons and axis...
  */
static HRESULT WINAPI JoystickAImpl_EnumObjects(
789
	LPDIRECTINPUTDEVICE8A iface,
790 791 792 793
	LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
	LPVOID lpvRef,
	DWORD dwFlags)
{
794
  JoystickImpl *This = (JoystickImpl *)iface;
795 796 797 798 799 800
  DIDEVICEOBJECTINSTANCEA ddoi;
  int xfd = This->joyfd;


  TRACE("(this=%p,%p,%p,%08lx)\n", This, lpCallback, lpvRef, dwFlags);
  if (TRACE_ON(dinput)) {
801
    TRACE("  - flags = ");
802
    _dump_EnumObjects_flags(dwFlags);
803
    TRACE("\n");
804 805 806 807 808 809
  }

  if (xfd == -1) return DIERR_NOTACQUIRED;

  /* Only the fields till dwFFMaxForce are relevant */
  ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
810

811 812 813 814 815
  /* For the joystick, do as is done in the GetCapabilities function */
  /* FIXME: needs more items */
  if ((dwFlags == DIDFT_ALL) ||
      (dwFlags & DIDFT_AXIS)) {
    BYTE i;
816

817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861
    for (i = 0; i < ABS_MAX; i++) {
      if (!test_bit(This->absbits,i)) continue;

      switch (i) {
      case ABS_X:
	ddoi.guidType = GUID_XAxis;
	ddoi.dwOfs = DIJOFS_X;
	break;
      case ABS_Y:
	ddoi.guidType = GUID_YAxis;
	ddoi.dwOfs = DIJOFS_Y;
	break;
      case ABS_Z:
	ddoi.guidType = GUID_ZAxis;
	ddoi.dwOfs = DIJOFS_Z;
	break;
      case ABS_RX:
	ddoi.guidType = GUID_RxAxis;
	ddoi.dwOfs = DIJOFS_RX;
	break;
      case ABS_RY:
	ddoi.guidType = GUID_RyAxis;
	ddoi.dwOfs = DIJOFS_RY;
	break;
      case ABS_RZ:
	ddoi.guidType = GUID_RzAxis;
	ddoi.dwOfs = DIJOFS_RZ;
	break;
      case ABS_THROTTLE:
	ddoi.guidType = GUID_Slider;
	ddoi.dwOfs = DIJOFS_SLIDER(0);
	break;
      default:
	FIXME("unhandled abs axis %d, ignoring!\n",i);
      }
      ddoi.dwType = DIDFT_MAKEINSTANCE((1<<i) << WINE_JOYSTICK_AXIS_BASE) | DIDFT_ABSAXIS;
      sprintf(ddoi.tszName, "%d-Axis", i);
      _dump_OBJECTINSTANCEA(&ddoi);
      if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE)
	  return DI_OK;
    }
  }

  if ((dwFlags == DIDFT_ALL) ||
      (dwFlags & DIDFT_BUTTON)) {
862
    int i;
863

864 865 866
    /*The DInput SDK says that GUID_Button is only for mouse buttons but well*/

    ddoi.guidType = GUID_Button;
867

868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949
    for (i = 0; i < KEY_MAX; i++) {
      if (!test_bit(This->keybits,i)) continue;

      switch (i) {
      case BTN_TRIGGER:
      case BTN_A:
      case BTN_1:
	  ddoi.dwOfs = DIJOFS_BUTTON(0);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 0) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_THUMB:
	case BTN_B:
	case BTN_2:
	  ddoi.dwOfs = DIJOFS_BUTTON(1);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 1) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_THUMB2:
	case BTN_C:
	case BTN_3:
	  ddoi.dwOfs = DIJOFS_BUTTON(2);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 2) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_TOP:
	case BTN_X:
	case BTN_4:
	  ddoi.dwOfs = DIJOFS_BUTTON(3);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 3) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_TOP2:
	case BTN_Y:
	case BTN_5:
	  ddoi.dwOfs = DIJOFS_BUTTON(4);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 4) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_PINKIE:
	case BTN_Z:
	case BTN_6:
	  ddoi.dwOfs = DIJOFS_BUTTON(5);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 5) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_BASE:
	case BTN_TL:
	case BTN_7:
	  ddoi.dwOfs = DIJOFS_BUTTON(6);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 6) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_BASE2:
	case BTN_TR:
	case BTN_8:
	  ddoi.dwOfs = DIJOFS_BUTTON(7);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 7) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_BASE3:
	case BTN_TL2:
	case BTN_9:
	  ddoi.dwOfs = DIJOFS_BUTTON(8);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 8) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_BASE4:
	case BTN_TR2:
	  ddoi.dwOfs = DIJOFS_BUTTON(9);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 9) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
	case BTN_BASE5:
	case BTN_SELECT:
	  ddoi.dwOfs = DIJOFS_BUTTON(10);
	  ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << 10) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
	  break;
      }
      sprintf(ddoi.tszName, "%d-Button", i);
      _dump_OBJECTINSTANCEA(&ddoi);
      if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE)
	  return DI_OK;
    }
  }

  if (xfd!=This->joyfd)
    close(xfd);

  return DI_OK;
}

950 951 952 953 954
static HRESULT WINAPI JoystickWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
						LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
						LPVOID lpvRef,
						DWORD dwFlags)
{
955
  JoystickImpl *This = (JoystickImpl *)iface;
956 957 958 959 960 961 962 963 964

  device_enumobjects_AtoWcb_data data;

  data.lpCallBack = lpCallback;
  data.lpvRef = lpvRef;

  return JoystickAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
}

965 966 967
/******************************************************************************
  *     GetProperty : get input device properties
  */
968
static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
969 970 971
						REFGUID rguid,
						LPDIPROPHEADER pdiph)
{
972
  JoystickImpl *This = (JoystickImpl *)iface;
973

974
  TRACE("(this=%p,%s,%p)\n",
975 976 977 978
	iface, debugstr_guid(rguid), pdiph);

  if (TRACE_ON(dinput))
    _dump_DIPROPHEADER(pdiph);
979

980 981 982 983
  if (!HIWORD(rguid)) {
    switch ((DWORD)rguid) {
    case (DWORD) DIPROP_BUFFERSIZE: {
      LPDIPROPDWORD	pd = (LPDIPROPDWORD)pdiph;
984

985 986 987 988 989 990
      TRACE(" return buffersize = %d\n",This->queue_len);
      pd->dwData = This->queue_len;
      break;
    }

    case (DWORD) DIPROP_RANGE: {
991
      /* LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph; */
992 993 994 995 996
      if ((pdiph->dwHow == DIPH_BYID) &&
	  (pdiph->dwObj & DIDFT_ABSAXIS)) {
	/* The app is querying the current range of the axis : return the lMin and lMax values */
	FIXME("unimplemented axis range query.\n");
      }
997

998 999
      break;
    }
1000

1001 1002 1003 1004 1005
    default:
      FIXME("Unknown type %ld (%s)\n",(DWORD)rguid,debugstr_guid(rguid));
      break;
    }
  }
1006 1007


1008 1009 1010
  return DI_OK;
}

1011
static IDirectInputDevice8AVtbl JoystickAvt =
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
{
	IDirectInputDevice2AImpl_QueryInterface,
	IDirectInputDevice2AImpl_AddRef,
	JoystickAImpl_Release,
	JoystickAImpl_GetCapabilities,
	JoystickAImpl_EnumObjects,
	JoystickAImpl_GetProperty,
	JoystickAImpl_SetProperty,
	JoystickAImpl_Acquire,
	JoystickAImpl_Unacquire,
	JoystickAImpl_GetDeviceState,
	JoystickAImpl_GetDeviceData,
	JoystickAImpl_SetDataFormat,
	JoystickAImpl_SetEventNotification,
	IDirectInputDevice2AImpl_SetCooperativeLevel,
	IDirectInputDevice2AImpl_GetObjectInfo,
	IDirectInputDevice2AImpl_GetDeviceInfo,
	IDirectInputDevice2AImpl_RunControlPanel,
	IDirectInputDevice2AImpl_Initialize,
	IDirectInputDevice2AImpl_CreateEffect,
	IDirectInputDevice2AImpl_EnumEffects,
	IDirectInputDevice2AImpl_GetEffectInfo,
	IDirectInputDevice2AImpl_GetForceFeedbackState,
	IDirectInputDevice2AImpl_SendForceFeedbackCommand,
	IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
	IDirectInputDevice2AImpl_Escape,
	JoystickAImpl_Poll,
	IDirectInputDevice2AImpl_SendDeviceData,
	IDirectInputDevice7AImpl_EnumEffectsInFile,
1041 1042 1043 1044
        IDirectInputDevice7AImpl_WriteEffectToFile,
        IDirectInputDevice8AImpl_BuildActionMap,
        IDirectInputDevice8AImpl_SetActionMap,
        IDirectInputDevice8AImpl_GetImageInfo
1045 1046
};

1047 1048 1049 1050 1051 1052
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)	(typeof(JoystickWvt.fun))
#else
# define XCAST(fun)	(void*)
#endif

1053
static IDirectInputDevice8WVtbl JoystickWvt =
1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
{
	IDirectInputDevice2WImpl_QueryInterface,
	XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
	XCAST(Release)JoystickAImpl_Release,
	XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
	JoystickWImpl_EnumObjects,
	XCAST(GetProperty)JoystickAImpl_GetProperty,
	XCAST(SetProperty)JoystickAImpl_SetProperty,
	XCAST(Acquire)JoystickAImpl_Acquire,
	XCAST(Unacquire)JoystickAImpl_Unacquire,
	XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
	XCAST(GetDeviceData)JoystickAImpl_GetDeviceData,
	XCAST(SetDataFormat)JoystickAImpl_SetDataFormat,
	XCAST(SetEventNotification)JoystickAImpl_SetEventNotification,
	XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
	IDirectInputDevice2WImpl_GetObjectInfo,
	IDirectInputDevice2WImpl_GetDeviceInfo,
	XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
	XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
	XCAST(CreateEffect)IDirectInputDevice2AImpl_CreateEffect,
	IDirectInputDevice2WImpl_EnumEffects,
	IDirectInputDevice2WImpl_GetEffectInfo,
	XCAST(GetForceFeedbackState)IDirectInputDevice2AImpl_GetForceFeedbackState,
	XCAST(SendForceFeedbackCommand)IDirectInputDevice2AImpl_SendForceFeedbackCommand,
	XCAST(EnumCreatedEffectObjects)IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
	XCAST(Escape)IDirectInputDevice2AImpl_Escape,
	XCAST(Poll)JoystickAImpl_Poll,
	XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
        IDirectInputDevice7WImpl_EnumEffectsInFile,
        IDirectInputDevice7WImpl_WriteEffectToFile,
        IDirectInputDevice8WImpl_BuildActionMap,
        IDirectInputDevice8WImpl_SetActionMap,
        IDirectInputDevice8WImpl_GetImageInfo
};
#undef XCAST

1090
#else  /* HAVE_CORRECT_LINUXINPUT_H */
1091

1092
const struct dinput_device joystick_linuxinput_device = {
1093 1094 1095 1096 1097 1098 1099 1100
  "Wine Linux-input joystick driver",
  NULL,
  NULL,
  NULL,
  NULL
};

#endif  /* HAVE_CORRECT_LINUXINPUT_H */